(noun)
a large public procession, often including floats and marching bands, conducted as part of a special celebration of a particular event, or a formal march conducted by the military in formation, usually for the purpose of display or inspection;
e.g. He was honored by a parade that carried him through the city's streets.
(noun)
broadly, a display of a series of things, often showy and/or boastful in character, for example a long series of people/things arriving in succession;
e.g. They continued with their parade of mistakes, refusing to take advice form anyone. She met with a parade of visitors, speaking with each for only a few minutes.
(noun)
a public space such as a ground, a square, or a walkway meant for strolling;
e.g. We took a walk on the parade near the lake.
(verb)
to march or walk in as a formal and public procession, often in a way that is showy and attention-seeking;
e.g. The musicians will parade with the other performers at the celebration.
(verb)
to assemble in official formation for the purpose of a ceremony or inspection, typically referring to military troops;
e.g. The troops will parade before the commander and salute as they pass by.
(verb)
to make a public display of someone/something, often by marching or taking them around a place, typically to attract attention or impress others;
e.g. Law enforcement officers used to parade criminals through the town before taking them to prison. It is in bad taste to parade one's wealth in front of other people.
(verb)
to pretend to be someone else, to falsely present or appear as someone one is not;
e.g. She tried to parade as someone older so that she could enter the bar.